Patent classifications
C08L101/14
WATER ABSORBENT RESIN COMPOSITION, ABSORBENT, AND ABSORBENT ARTICLE
The present invention provides a water absorbent resin composition which suppresses acetaldehyde odor, while being suppressed in coloring with time. A water absorbent resin composition which contains a hydrazide compound carrier and a water absorbent resin, wherein: the degree of yellowing is 10 or less if 2.0 g of this water absorbent resin composition is held at a temperature of 70° C. at a relative humidity of 90% for 7 days; and if 10.0 g of this water absorbent resin composition and 900 ml of a nitrogen gas having an acetaldehyde concentration of 20 ppm are sealed in a hermetically sealed bag having a volumetric capacity of 2 liters, the acetaldehyde concentration of the gas in the hermetically sealed hag measured after a lapse of one hour is 15 ppm or less.
Hydrophilic macromers and hydrogels comprising the same
A hydrophilic silicone macromer composition suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made. The hydrophilic silicone macromer comprises a polyether backbone comprising a silicone-containing pendant group. In one aspect, a hydrophilic silicone macromer is of the Formula 1: ##STR00001##
The hydrophilic silicone macromer can be used to form a polymer and a hydrogel film suitable for forming contact lenses.
Hydrophilic macromers and hydrogels comprising the same
A hydrophilic silicone macromer composition suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made. The hydrophilic silicone macromer comprises a polyether backbone comprising a silicone-containing pendant group. In one aspect, a hydrophilic silicone macromer is of the Formula 1: ##STR00001##
The hydrophilic silicone macromer can be used to form a polymer and a hydrogel film suitable for forming contact lenses.
RESIN COMPOSITION, FILM, COLOR FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGE DISPLAY DEVICE
Provided are a resin composition including a coloring material, a resin, and a solvent, in which, in a case where a film having a thickness of 0.60 μm is formed by heating the resin composition at 200° C. for 30 minutes, a thickness of the film after performing a heating treatment of the film at 300° C. for 5 hours in a nitrogen atmosphere is 70% or more of a thickness of the film before the heating treatment; a film formed of the resin composition; a color filter; a solid-state imaging element; and an image display device.
Silicone Elastomer-Hydrogel Hybrid Contact Lenses
A silicone elastomer-hydrogel hybrid contact lens includes a silicone elastomer layer and a hydrogel layer adhered to the silicone elastomer layer by a delamination-resistant bond that is formed by an elastomer-swellable monomer that is included in the polymerizable composition used to form the hydrogel layer.
Silicone Elastomer-Hydrogel Hybrid Contact Lenses
A silicone elastomer-hydrogel hybrid contact lens includes a silicone elastomer layer and a hydrogel layer adhered to the silicone elastomer layer by a delamination-resistant bond that is formed by an elastomer-swellable monomer that is included in the polymerizable composition used to form the hydrogel layer.
Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof
A water-absorbent resin composition suffering exfoliation of additives from a water-absorbent resin only insignificantly and excelling in fluidity of powder after absorption of moisture and in deodorizing property and absorbent property as well is provided. The water-absorbent resin composition of this invention comprises a water-absorbent resin obtainable by polymerizing an unsaturated monomer having an acid group and/or a salt thereof; and complex oxide hydrate containing zinc and silicon, or zinc and aluminum, wherein the complex oxide hydrate contains zinc as main metal component, the mass ratio of the content of zinc and the content of silicon or aluminum is in the range of 50/50-99/1, and the absorption capacity at 60 minutes toward 0.90 mass % sodium chloride aqueous solution under the pressure of 1.9 kPa is not less than 20 g/g. Optionally, a plant component (C) can be added to the water absorbent resin composition.
Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof
A water-absorbent resin composition suffering exfoliation of additives from a water-absorbent resin only insignificantly and excelling in fluidity of powder after absorption of moisture and in deodorizing property and absorbent property as well is provided. The water-absorbent resin composition of this invention comprises a water-absorbent resin obtainable by polymerizing an unsaturated monomer having an acid group and/or a salt thereof; and complex oxide hydrate containing zinc and silicon, or zinc and aluminum, wherein the complex oxide hydrate contains zinc as main metal component, the mass ratio of the content of zinc and the content of silicon or aluminum is in the range of 50/50-99/1, and the absorption capacity at 60 minutes toward 0.90 mass % sodium chloride aqueous solution under the pressure of 1.9 kPa is not less than 20 g/g. Optionally, a plant component (C) can be added to the water absorbent resin composition.
HOST-GUEST INTERACTIONS FOR PA SUPERSTRUCTURE FORMATION
The disclosure relates to compositions and superstructures comprising peptide amphiphiles. In some aspects, the disclosure relates to compositions and superstructures comprising host and guest peptide amphiphiles, wherein the host and guest moieties of the peptide amphiphiles interact via non-covalent interactions to form a supramolecular assembly, such a superstructure. In some aspects, the superstructure further comprises a bioactive moiety. Suitable bioactive moieties may be selected to promote cell growth, migration, and/or differentiation.
BIPHASIC SUPERABSORBENT MATERIAL AND DERIVED USES THEREOF
The present invention relates to a biphasic superabsorbent and partially biodegradable material comprising a biodegradable and/or compostable polymeric phase and a non-biodegradable superabsorbent cross-linked polymer phase. Furthermore, the present invention relates to a process for the production of said superabsorbent material and the use thereof to contain and/or absorb and/or separate liquids, in particular aqueous liquids, preferably contaminated ones, and/or biological fluids.